1. A shifting device (1), for a transmission with a selection actuator and a shifting actuator, which comprises a shifting shaft (2) and plurality of one of shifting forks (3) and selector forks that engage sliding collars for engaging gears of the transmission, and a shifting motion of the shifting device (1) occurs by axial motion of the shifting shaft (2) and a selection motion is kinematically decoupled from the shifting motion, while the shifting shaft (2) does not rotate during the selection motion,
selection mechanics of the shifting device (1) including one of a driving collar and a shifting finger ring (4) for shifting fork arms (5), wherein one of the driving collar and the shifting finger ring (4) rotate freely and are axially fixed on the shifting shaft (2) and comprises a shifting finger (6) that engages in corresponding grooves (7) of the shifting fork arms (5), and a locking part (8) which is axially immovably fixed on a housing while being radially drivable in a rotational direction by the selection actuator (15) and, the locking part (8) transfers the selection motion to one of the driving collar and the shifting finger ring (4) and locks one of the shifting forks (3) and the selector forks of the gears not to be engaged.
2. The shifting device (1) for a transmission of claim 1, wherein the locking part (8) comprises two rings (9, 10) through which the shifting shaft (2) is guided, and the two rings (9, 10) are connected in a rotationally fixed manner via a carrier (11) that runs approximately parallel to a longitudinal axis of the shifting shaft (2) and between which the one of the driving collar and the shifting finger ring (4) is arranged; the carrier (11) has a longitudinal groove (12) in which a finger (13) of the shifting finger ring (4) is axially movably arranged without play in a rotational direction; and a length of the longitudinal groove (12) is such that the shifting motion, achieved via the axial motion of the shifting shaft (2) and thus one of the entrained driving collar and the shifting finger ring (4), which engages a groove of the shifting fork arm (5) of a gear to be engaged, is carried out after the selection motion.
3. The shifting device (1) for a transmission of claim 2, wherein a second ring (10) of the locking part (8) has a groove (17) in a same position in a rotational direction as the shifting finger (6) of one of the driving collar and the shifting finger ring (4), through which the respectively selected shifting fork arm (5) is guided during the shifting motion, while motion of the non-selected shifting fork arms (5\u2032) is prevented by segments (18) of the ring (10), which engage grooves (19) of the non-selected shifting fork arms (5\u2032).
4. The shifting device (1) for a transmission of claim 2, wherein a first ring (9) of the locking part (8) has an element (14) which is positively connected with the selection actuator (15) such that rotary motion of the locking part (8), and thus the shifting finger ring (4) on the shifting shaft (2) is provided for a gear change.
5. The shifting device (1) for a transmission of claim 4, wherein a deflection lever is located between the selection actuator (15) and the element (14).
6. The shifting device (1) for a transmission of claim 4, wherein the element (14) is an arch-shaped element which is connected to the selection actuator (15) via a worm drive (16).
7. The shifting device (1) for a transmission of claim 1, wherein the selection actuator (15) is one of pneumatically, hydraulically, electromotorically, electromagnetically and electrodynamically operated.
8. The shifting device (1) for a transmission of claim 1, wherein, when two paths are provided for a gear change, the selection actuator (15) assumes only two positions.
9. The shifting device (1) for a transmission of claim 8, wherein the selection actuator (15) is one of an electromagnetically operable actuator and an electrodynamically operable actuator (15).
10. The shifting device (1) for a transmission of claim 8, wherein when the selection actuator (15) is lineally and rotationally operated electromagnetically operable actuator (15), and the selection actuator (15) is one of a simple lifting magnet, a reverse lifting magnet, and a double lifting magnet.
11. The shifting device (1) for a transmission of claim 1, wherein when the selection actuator (15) is lineally and rotationally operated, the selection actuator (15) is one of a bistable shifting magnet, a voice coil actuator and a moving magnet.
12. A shifting device (1) for a main transmission of a multispeed transmission with a selection actuator and a shifting actuator, the shifting device (1) comprising a shifting shaft (2) with a plurality of one of shifting forks and selector forks (3) that engage sliding collars for engaging gears of the transmission, a shifting motion of the transmission being carried out by axial motion of the shifting shaft (2) and a selection motion is kinematically decoupled from the shifting motion, while the shifting shaft (2) does not rotate during the selection motion,
selection mechanics of the shifting device (1) includes one of a driving collar and a shifting finger ring (4) for shifting fork arms (5), wherein one of the driving collar and the shifting finger ring (4) rotate freely and are axially fixed on the shifting shaft (2) and comprises a shifting finger (6) that engages in corresponding groove (7) of the shifting fork arm (5), and a locking part (8) that is radially driven in a rotational direction by the selection actuator (15) and is axially immovably fixed on a housing, the locking part transfers the selection motion to one of the driving collar and the shifting finger ring (4) and locks one of the shifting forks (3) and the selector forks of the gears not to be engaged, the selection motion is mechanically carried out independently of the selection motion of a gearshift lever actuated by a driver such that a familiar shifting pattern is presented to the driver.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A slide switch installed in a buckle apparatus, comprising:
a body;
a slider held slidably in the body, the slider sliding when pressed by a movable part of the buckle apparatus;
a fixed contact placed in a direction in which the slider slides, on a surface of the body that faces the slider, and
a movable piece sliding on the surface of the body on which the fixed contact is placed as the slider slides;
wherein the slider has a size that obscures the fixed contact in an entire range in which the slider slides.
2. The slide switch installed in a buckle apparatus according to claim 1, wherein grease is applied to the fixed contact.
3. The slide switch installed in a buckle apparatus according to claim 1 or 2, wherein the fixed contact is formed in the body by insert molding.
4. The slide switch installed in a buckle apparatus according to claim 1 or 2, wherein the movable piece has a pair of feet, there are a first fixed contact, a second fixed contact, and a third fixed contact, the fixed contact being one of the first, the second, and the third contacts, the first fixed contact extends in a sliding path of one of the pair of feet, and the second fixed contact and the third fixed contact extend in sequence in a sliding path of the other of the pair of feet.
5. The slide switch installed in a buckle apparatus according to claim 1 or 2, wherein the slider has an engaging hook on either side in a width direction orthogonal to a slide direction of the slider, the slider being held by the body through the engaging hook.
6. The slide switch installed in a buckle apparatus according to claim 1 or 2, wherein a spring for returning the slider is present between the body and the slider.